Declare audio codec bitrate and bandwidth

Bug: 172304392
Test: atest
Change-Id: Iea4de76a4c1628c8828ba84282ef014f94cc169a
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index bbf34df..724a9e4 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -767,6 +767,19 @@
             "android.telecom.extra.AUDIO_CODEC";
 
     /**
+     * Float connection extra key used to store the audio codec bitrate in kbps for the current
+     * {@link Connection}.
+     */
+    public static final String EXTRA_AUDIO_CODEC_BITRATE_KBPS =
+            "android.telecom.extra.AUDIO_CODEC_BITRATE_KBPS";
+
+    /**
+     * Float connection extra key used to store the audio codec bandwidth in khz for the current
+     * {@link Connection}.
+     */
+    public static final String EXTRA_AUDIO_CODEC_BANDWIDTH_KHZ =
+            "android.telecom.extra.AUDIO_CODEC_BANDWIDTH_KHZ";
+    /**
      * Connection event used to inform Telecom that it should play the on hold tone.  This is used
      * to play a tone when the peer puts the current call on hold.  Sent to Telecom via
      * {@link #sendConnectionEvent(String, Bundle)}.